Alston s Cotton Rat vs Anderson's Salamander

Sigmodon alstoni compared with Ambystoma andersoni

Key Differences

• Alston s Cotton Rat is Least Concern while Anderson's Salamander is Critically Endangered.

Taxonomic Classification

Rank	Alston s Cotton Rat	Anderson's Salamander
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Caudata (Caudata)
Family	Cricetidae	Ambystomatidae
Genus	Sigmodon	Ambystoma
Species	Sigmodon alstoni	Ambystoma andersoni

Evolutionary Relationship

Alston s Cotton Rat and Anderson's Salamander share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Alston s Cotton Rat

LC — Least Concern

Anderson's Salamander

CR — Critically Endangered

Physical Characteristics

Attribute	Alston s Cotton Rat	Anderson's Salamander
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alston s Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Anderson's Salamander

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Alston s Cotton Rat

The Alston s Cotton Rat (Sigmodon alstoni) is a species in the genus Sigmodon. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems. Distributed across Colombia and Venezuela.

Anderson's Salamander

The Anderson's Salamander (Ambystoma andersoni) is a species in the genus Ambystoma. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neo.